Wayne-Dalton 800FR Installation Instructions Manual page 8

Pre-Door Install (continued)
3. IDENTIFY BARREL ASSEMBLY DRIVE END
Right hand drive shown in Figure 7; left hand drive is opposite. Look for an
"R" for right hand drive or an "L" for left hand drive stamped on the end of
the drive shaft.
SPRING CONFIGURATION
See Figure 7.
• Left hand drive counterbalance has end of spring pinned to barrel
near tension end.
• Right hand drive counterbalance has end of spring pinned to
barrel several feet from tension end.
• At tension end of barrel the bearing assembly is pinned to the
barrel, as shown in Figure 8.
830872-0001 REV 12/07/2022
TENSION
SHAFT
DRIVE
SHAFT
©Copyright 2022 Wayne Dalton, a division of Overhead Door Corporation
Figure 7
TOWARDS CENTER
OF PIPE
RIGHT HAND DRIVE
"
3/8 PINS
LEFT HAND DRIVE
Figure 8
DRIVE
SHAFT
SEVERAL
INCHES
TENSION
SHAFT
"
3/8 PINS
8